Merge "Addition of OWNERS / initial .proto file" am: 6aabdca9b3 am: e451a442f4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1541857

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id892269377c50d2398fc27b2f28ac0221cdf5e0a